8225144: [macos] In Aqua L&F backspace key does not delete when Shift is pressed

Reviewed-by: psadhukhan

src/java.desktop/macosx/classes/com/apple/laf/AquaKeyBindings.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -67,6 +67,7 @@ public class AquaKeyBindings {
         "DELETE", DefaultEditorKit.deleteNextCharAction,
         "alt DELETE", "delete-next-word",
         "BACK_SPACE", DefaultEditorKit.deletePrevCharAction,
+        "shift BACK_SPACE", DefaultEditorKit.deletePrevCharAction,
         "alt BACK_SPACE", "delete-previous-word",
 
         "LEFT", DefaultEditorKit.backwardAction,

test/jdk/javax/swing/text/JTextComponent/6361367/bug6361367.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+   @bug 6361367 7109126 8225144
+   @key headful
+   @summary Tests that backspace key does delete when Shift is pressed
+*/
+
+import java.awt.Robot;
+import java.awt.event.KeyEvent;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.FutureTask;
+import java.util.concurrent.atomic.AtomicReference;
+
+import javax.swing.JComponent;
+import javax.swing.JEditorPane;
+import javax.swing.JFormattedTextField;
+import javax.swing.JFrame;
+import javax.swing.JPasswordField;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+import javax.swing.JTextPane;
+import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
+import javax.swing.text.Caret;
+import javax.swing.text.JTextComponent;
+
+public class bug6361367 {
+    final static String testString = "123 456 789";
+    final static String resultString = "123 456 78";
+    final static List<Class<? extends JTextComponent>> textClasses = Arrays.asList(
+        JTextArea.class, JEditorPane.class, JTextPane.class,
+        JTextField.class, JFormattedTextField.class, JPasswordField.class);
+
+    public static void main(String[] args) throws Exception {
+        for(UIManager.LookAndFeelInfo info: UIManager.getInstalledLookAndFeels()) {
+            UIManager.setLookAndFeel(info.getClassName());
+            System.out.println(info);
+            for (Class<? extends JTextComponent> clazz : textClasses) {
+                boolean res = test(clazz);
+                if (! res) {
+                    throw new RuntimeException("failed");
+                }
+            }
+        }
+    }
+
+    static boolean test(final Class<? extends JTextComponent> textComponentClass) throws Exception  {
+        final AtomicReference<JFrame> ref = new AtomicReference<>();
+        final JTextComponent textComponent = invokeAndWait(
+            new Callable<JTextComponent>() {
+                public JTextComponent call() throws Exception {
+                    return initialize(textComponentClass, ref);
+                }
+            });
+        waitForFocus(textComponent);
+        Robot robot = new Robot();
+        robot.setAutoWaitForIdle(true);
+        robot.setAutoDelay(250);
+        robot.keyPress(KeyEvent.VK_END);
+        robot.keyRelease(KeyEvent.VK_END);
+        robot.keyPress(KeyEvent.VK_SHIFT);
+        robot.keyPress(KeyEvent.VK_BACK_SPACE);
+        robot.keyRelease(KeyEvent.VK_BACK_SPACE);
+        robot.keyRelease(KeyEvent.VK_SHIFT);
+        String str = invokeAndWait(
+            new Callable<String>() {
+                public String call() throws Exception {
+                    JFrame frame = ref.get();
+                    if (frame != null) {
+                        frame.dispose();
+                    }
+                    return textComponent.getText();
+                }
+        });
+        return resultString.equals(str);
+    }
+
+    static JTextComponent initialize(
+            Class<? extends JTextComponent> textComponentClass,
+            AtomicReference<JFrame> ref) throws Exception {
+        JFrame frame = new JFrame("bug6361367");
+        ref.set(frame);
+        JTextComponent textComponent = textComponentClass.newInstance();
+        textComponent.setText(testString);
+        frame.add(textComponent);
+        frame.pack();
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+        textComponent.requestFocus();
+        Caret caret = textComponent.getCaret();
+        caret.setDot(textComponent.getDocument().getLength());
+        return textComponent;
+    }
+
+    static <T> T invokeAndWait(Callable<T> callable) throws Exception {
+        FutureTask<T> future = new FutureTask<T>(callable);
+        SwingUtilities.invokeLater(future);
+        return future.get();
+    }
+
+    static void waitForFocus(JComponent component) throws Exception  {
+        synchronized (component) {
+            while(! component.isFocusOwner()) {
+                component.wait(100);
+            }
+        }
+    }
+}